A randomized 25 question test from a pool of 761 questions, good luck!
There are many options to choose from for alarm attributes. Which of the following alarm attributes would best be used when a process regularly exceeds it's limits for a brief period of time?
Which of the answers below best represents the first bit sent in a RS-232 asynchronous frame?
In IPv4, which of the protocols below has the additions of delivery acknowledgement and fragmentation/defragmentation?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to write the contents of a holding register to the slave device
Which of the messaging types below is best described as independent communication with the scanner module initiated by the properly configured field device?
Digital signals are, either specific or transitory, voltage levels represent states of logic. Which of the signal encoding methods below uses the conversion of dc voltage levels to ac to represent logic states?
There are numerous threats to the security of a DCS. Which of the security measures below controls and supervises network traffic?
The remote access server in a SCADA system provides WAN access. Which of the environments below would the remote access server reside?
The installation of a SCADA system has several difficulties associated with it. Which of the challenges below would be best defined as one that validates the hardware and software design complies with regulations?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is the largest in area covered?
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the bridge interacts with?
The addition of BCC to the message frame increases the efficiency of detecting errors in transmissions. which one of the error check systems based on a mathematical expression and is available to be used on data frames too large for any other method of error checking?
Which of the answers is not an disadvantage of analog field communication? Choose the best answer from those below.
Modbus protocol can implement data encapsulation over IP based networks. Which of the statements below is an disadvantage of using encapsulation?
The various DCS networks are vital to any plant or process operating smoothly. Which of the networks below must faster and more reliable than any of the others?
Communication technology is generally specific to a type of area network. Which of the area networks below would IDSN and DSL be used primarily?
Which of the answers below is best represented by the number "7" on a typical H1 segment?
A DDE protocol has 3 components to a "handle". Which of the components below would best be described as the name of a unique data source is contained inside of a DDE topic?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to request the coils ON/OFF status of inputs # 10197 to 10218 from a slave device?
Which of the lengths below relates best to a spur cable with 2 field devices connected?
There are numerous function block modes which are permitted. Which of the modes below is best described as the mode the function block desires to be in?
Of all the ways to relate the speed of serial communication, which of the answers below is not one? Choose the answer that best applies.
There are several common components of signal converters. Which one is best described as reduction of overall error introduced by the input and/or output signals?
HMI networks are needed to expand or contract as required over their lifetime of use. Which of the networking types below will have the least amount of scalability?
A typical HMI has several subsystems attached to it. Which of the subsystems below would be involved in the manipulation process control inputs?